Timelessly modern, light gentleman's pocket knives by Yoshimi Kotoh from Kyushu, Japan's most south-western island. Each is made by hand, one at a time.
The triple-layered blades with a cutting layer of rustproof VG-10 steel are set in exotic hardwood handles with friction locking mechanism and are opened using the lever tangs. The handles are neither oiled nor varnished but would easily accept your chosen treatment, if any. Each knife is app. 5 3/4" long open and 3 1/2" closed (including tang).
Comes with a leather pouch. Rustproof, hardness 60 HRC.
Limited supplies. Knives are not returnable and cannot be shipped outside the US.